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1 : : /* -*- Mode: C++; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 4 -*- */
2 : : /*
3 : : * This file is part of the LibreOffice project.
4 : : *
5 : : * This Source Code Form is subject to the terms of the Mozilla Public
6 : : * License, v. 2.0. If a copy of the MPL was not distributed with this
7 : : * file, You can obtain one at http://mozilla.org/MPL/2.0/.
8 : : *
9 : : * This file incorporates work covered by the following license notice:
10 : : *
11 : : * Licensed to the Apache Software Foundation (ASF) under one or more
12 : : * contributor license agreements. See the NOTICE file distributed
13 : : * with this work for additional information regarding copyright
14 : : * ownership. The ASF licenses this file to you under the Apache
15 : : * License, Version 2.0 (the "License"); you may not use this file
16 : : * except in compliance with the License. You may obtain a copy of
17 : : * the License at http://www.apache.org/licenses/LICENSE-2.0 .
18 : : */
19 : :
20 : : #ifndef _CAIROCANVAS_SURFACEPROVIDER_HXX
21 : : #define _CAIROCANVAS_SURFACEPROVIDER_HXX
22 : :
23 : : #include <rtl/ref.hxx>
24 : : #include <com/sun/star/uno/XInterface.hpp>
25 : :
26 : : #include "cairo_cairo.hxx"
27 : :
28 : : using namespace ::cairo;
29 : :
30 : : class OutputDevice;
31 : : class Bitmap;
32 : :
33 : : namespace cairocanvas
34 : : {
35 : : class Bitmap;
36 : :
37 : : /* Definition of RepaintTarget interface */
38 : :
39 : : /** Target interface for XCachedPrimitive implementations
40 : :
41 : : This interface must be implemented on all canvas
42 : : implementations that hand out XCachedPrimitives
43 : : */
44 : 0 : class SurfaceProvider : public ::com::sun::star::uno::XInterface
45 : : {
46 : : public:
47 : 0 : virtual ~SurfaceProvider() {}
48 : :
49 : : /** Query surface from this provider
50 : :
51 : : This should return the default surface to render on.
52 : : */
53 : : virtual SurfaceSharedPtr getSurface() = 0;
54 : :
55 : : /// create new surface in given size
56 : : virtual SurfaceSharedPtr createSurface( const ::basegfx::B2ISize& rSize,
57 : : Content aContent = CAIRO_CONTENT_COLOR_ALPHA ) = 0;
58 : : /// create new surface from given bitmap
59 : : virtual SurfaceSharedPtr createSurface( ::Bitmap& rBitmap ) = 0;
60 : :
61 : : /** convert surface between alpha and non-alpha
62 : : channel. returns new surface on success, NULL otherwise
63 : : */
64 : : virtual SurfaceSharedPtr changeSurface( bool bHasAlpha, bool bCopyContent ) = 0;
65 : :
66 : : /** Provides the underlying vcl outputdevice this surface renders on
67 : : */
68 : : virtual OutputDevice* getOutputDevice() = 0;
69 : : };
70 : :
71 : : typedef ::rtl::Reference< SurfaceProvider > SurfaceProviderRef;
72 : : }
73 : :
74 : : #endif
75 : :
76 : : /* vim:set shiftwidth=4 softtabstop=4 expandtab: */
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